PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11851Saturable Reactor

Standex Electronics, Inc. · NSN 5950-00-175-4853 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-175-4853 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-175-4853. Primary manufacturer part number: 11851.
Features
  • Saturable Reactor — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Width: 0.750 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Winding Operating Voltage: 3.00 DC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Inclosure Type: FULLY INCLOSED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Saturable Reactor, cataloged under National Stock Number 5950-00-175-4853, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Standex Electronics, Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-175-4853
Primary Part Number11851
Item NameSaturable Reactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerStandex Electronics, Inc.
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Width0.750 INCHES NOMINAL IN
Thread Quantity Per Inch32 SINGLE GROUP
Winding Operating Voltage3.00 DC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity2 SCREW
Winding Function and Quantity1 PRIMARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3040-00-354-3393 INTERCHANGEABLE
Shaft,shouldered
5950-00-767-5135 INTERCHANGEABLE
Coil,radio Frequency
6625-00-831-4046 INTERCHANGEABLE
Test Set,interconnecting Box
5945-00-923-42919M0990 INTERCHANGEABLE
Relay,electromagnetic
Caterpillar Inc Div Caterpillar Defense
5940-01-121-03657K4474 INTERCHANGEABLE
Terminal,quick Disconnect
Caterpillar Inc Div Caterpillar Defense
5998-01-126-360611499381 INTERCHANGEABLE
Circuit Card Assembly
Us Army Aviation and Missile Command
5120-01-367-3320 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-01-503-9222144368 INTERCHANGEABLE
Wrench,spanner
United States Filters Plymouth Products Div
2530-01-593-852230-591 INTERCHANGEABLE
Reservoir,remote,power Steering
Konrad Marine Inc Div Konrad Marine
Cross-Reference Index
Part NumberManufacturer
11851 PRIMARY Standex Electronics, Inc. (USA)
144368 Northrop Grumman Systems Corporation (USA)
Related Parts
3040-00-354-3393INTERCHANGEABLE
SHAFT,SHOULDERED
5950-00-767-5135INTERCHANGEABLE
COIL,RADIO FREQUENCY
6625-00-831-4046INTERCHANGEABLE
TEST SET,INTERCONNECTING BOX
5945-00-923-4291INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
9M0990
5940-01-121-0365INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
7K4474
5998-01-126-3606INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
11499381
5120-01-367-3320INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-01-503-9222INTERCHANGEABLE
WRENCH,SPANNER
144368
2530-01-593-8522INTERCHANGEABLE
RESERVOIR,REMOTE,POWER STEERING
30-591

Frequently Asked Questions

What is NSN 5950-00-175-4853?

NSN 5950-00-175-4853 is a Saturable Reactor, manufactured by Standex Electronics, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-175-4853?

NSN 5950-00-175-4853 has 2 cross-referenced part numbers: 11851 (Standex Electronics, Inc.), 144368 (Northrop Grumman Systems Corporation).

What NSN replaces 5950-00-175-4853?

There are 9 known substitutes for 5950-00-175-4853: 3040-00-354-3393, 5950-00-767-5135, 6625-00-831-4046 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11851?

Key specifications for 11851: Reliability Indicator: NOT ESTABLISHED; Overall Length: 1.875 INCHES NOMINAL IN; Overall Height: 1.875 INCHES NOMINAL IN; Body Width: 0.750 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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